BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 18, Problem 1U
A genetic map provides
a. the sequence of the DNA in a genome.
b. the relative position of genes on chromosomes.
c. the location of sites of restriction enzyme cleavage in a known sequence of DNA.
d. the banding pattern of a chromosome.
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Which of the following does not occur during telomerase extension of parental
DNA?
a. Translocation of the telomerase across the parental DNA.
b. Extension of the DNA that is complementary to the telomerase RNA.
c. Polymerisation of the new daughter DNA strand by telomerase.
d. Binding of an RNA primer and synthesis of new DNA in a 5' to 3'
direction.
e. Binding of the telomerase to the telomere.
Describe What are the sticky ends of the restriction fragments?
Select one:
a. The surfaces of sticky ends contain matching base pairs, allowing fragments to splice.
b. The surfaces of sticky ends have glue like substance that allow fragments to splice.
c. The surfaces of sticky ends contain the exact same nucleotides, allowing fragments to bond.
d. The surfaces of sticky ends have velcro like structure, allowing fragments to bond.
The diagram illustrating the polymerase chain reaction (PCR) technique is provided below. How does the number of copies of the DNA region being amplified change at the end of each cycle of the polymerase chain reaction?
Group of answer choices
a. The number of copies triples (or triplicates).
b. The number of copies does not change.
c. The number of copies quadruples (or quadruplicates).
d. The number of copies doubles (or duplicates).
e. The number of copies halves.
Chapter 18 Solutions
BIOLOGY
Ch. 18.1 - Prob. 1LOCh. 18.1 - Describe the pros and cons of restriction mapping,...Ch. 18.1 - Prob. 3LOCh. 18.2 - Discriminate between dideoxy terminator sequencing...Ch. 18.2 - Prob. 2LOCh. 18.3 - Describe the findings of the Human Genome Project.Ch. 18.3 - Prob. 2LOCh. 18.3 - Prob. 3LOCh. 18.4 - Prob. 1LOCh. 18.4 - Prob. 2LO
Ch. 18.4 - Prob. 3LOCh. 18.5 - Prob. 1LOCh. 18.5 - Prob. 2LOCh. 18.5 - Prob. 3LOCh. 18.6 - Prob. 1LOCh. 18 - Prob. 1DACh. 18 - If the human genome contains approximately 3...Ch. 18 - Prob. 1IQCh. 18 - Prob. 2IQCh. 18 - Prob. 3IQCh. 18 - Prob. 4IQCh. 18 - Prob. 5IQCh. 18 - Prob. 6IQCh. 18 - A genetic map provides a. the sequence of the DNA...Ch. 18 - Prob. 2UCh. 18 - Approximately how many genes are there in the...Ch. 18 - An open reading frame (ORF) is distinguished by...Ch. 18 - What is a BLAST search? a. A mechanism for...Ch. 18 - Prob. 6UCh. 18 - Prob. 7UCh. 18 - Prob. 8UCh. 18 - Prob. 1ACh. 18 - Prob. 2ACh. 18 - Prob. 3ACh. 18 - Prob. 4ACh. 18 - What information can be obtained from a DNA...Ch. 18 - Prob. 6ACh. 18 - Prob. 7ACh. 18 - You are in the early stages of a genome-sequencing...Ch. 18 - Genomic research can be used to determine if an...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Certain restriction endonucleases produce cohesive (sticky) ends. This means that they: a. stick tightly to the ends of the DNA they have cut. b. cut both DNA strands at the same base pair. c. make a staggered double-strand cut, leaving ends with a few nucleotides of single-stranded DNA protruding. d. cut in regions of high GC content, leaving ends that can form more hydrogen bonds than ends of high AT content. e. cut in regions of high AT content, leaving ends that can form more hydrogen bonds than ends of high GC content.arrow_forwardWhat is the enzymatic function of restriction enzymes? Group of answer choices a. to cut nucleic acids at specific sites b. to join nucleotides during transcription c. to add new nucleotides to the growing strand of DNA d. to repair breaks in sugar - phosphate backbonesarrow_forwardDefine the following terms: a. DNA typing b. short tandem repeats c. DNA profile d. nucleosome e. retrotransposonarrow_forward
- All of the following statements about telomerase are correct except: A. the RNA component acts as a template for the synthesis of a segment of DNA. B. it adds telomeric repeats to the 5'-ends of the DNA strands. C. it provides a mechanism for replicating the ends of linear chromosomes. D. it recognizes a G-rich single strand of DNA E. it is a reverse transcripcase.arrow_forwardPlace the steps of sanger sequencing in order.A. A fluorescent laser excites the fragments and records the wavelength consistent with a single nucleotide. B. ddNTPs bind and stop chain extension.C. DNA fragments are separated by size through a capillary tube. D. DNA polymerase copies the target region of template DNA.E. The final nucleotide of each fragment is labeled with a fluorescent tag.arrow_forwardWhich of the following molecules helps relieve the tension of unwinding parental DNA strands, by breaking DNA and rejoining it before it is replicated? a. Primase b. Single-stranded binding proteins c. Helicase d. Topoisomerasearrow_forward
- Describe how restriction enzymes like EcoR1 are used to create recombinant plasmids and what the process is for using these plasmids to replicate a piece of target DNA. Include information about how to create sticky ends, the makeup of the bacterial plasmid and how to tell if the gene was successfully inserted in the plasmid and if the plasmid has been transformed by the bacteria. You may use a drawing to enhance your description.arrow_forwardMatch the activity below with the correct enzyme. (You won't use all the enzymes listed.) RNA acts as a template for DNA synthesis: RNA directs the cutting of an RNA molecule at a precise location: RNA directs the cutting of an DNA molecule at a precise location: options: a. Small Nuclear Ribonuclear Protein (SNRNP) b. telomerase c. primase d. helicase e. CRISPR/Cas9arrow_forwardDefine the following terms:a. hypochromic effectb. DNA denaturationc. restriction endonucleasesd. DNA hybridizatione. Southern blottingarrow_forward
- Arrange the following steps in the sequence they would happen in a DNA cloning experiment. a. sealing DNA fragments into vectors with DNA ligase; b. utilizing a probe to detect a clone in the library; c. sequencing the clone's DNA; d. creating a DNA library of clones; e. cutting genomic DNA with restriction enzymes. A. e,a,d,b,c B. a,d,b,c,e C. c,b,e,a,d D. e,d,a,c,barrow_forwardWhat is a restriction endonuclease? Select one: a. It is an enzyme that cleaves at a specific nucleotide sequence. b. It restricts the movement of the DNA outside the nucleus. c. It proofreads the DNA for accidental damages and corrects any errors. d. It is an enzyme that separates the DNA double helix.arrow_forwardA linear plasmid contains only two genes, which are transcribed in opposite directions, each one from the end, toward the center of the plasmid. Draw diagrams ofa. the plasmid DNA, showing the 5′ and 3′ ends of the nucleotide strands.b. the template strand for each gene.c. the positions of the transcription-initiation sites.d. the transcripts, showing the 5′ and 3′ ends.arrow_forward
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